Chemical Effects of Electric Current
Assessment
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Drishti Bhutani
•
Science, Physics, Chemistry
•
8th Grade
•
625 plays
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Hard
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10 questions
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1.
Multiple Choice
Which one is the polluting waste generated by electroplating factories?
Used up electrodes
Electrolytes
Corroded Metals
2.
Multiple Choice
When acidified water is electrolysed using carbon electrodes. What is produced at (+) and (-) electrodes.
(+) - Oxygen; (-) - Hydrogen
(+) - Oxygen; (-) - Carbon
(+) - Hydrogen (-) - Oxygen
3.
Fill in the Blank
LED stands for
4.
Multiple Select
Select the poor conductors of electricity
Honey
Plastic
Vinegar
Distilled Water
5.
Multiple Choice
We can electroplate plastic on iron.
True
False
6.
Multiple Choice
To electroplate silver on Copper jewellery, the electrolyte that can be used is:
Copper Sulphate
Silver Nitrate
Ammonium Chloride
Sodium Chloride
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